GB/T 5211.6-2020 颜料和体质颜料通用试验方法第6部分:水悬浮液pH值的测定
GB/T 5211.6-2020.General methods of test for pigments and extenders-Part 6: Dete...
国家标准2023.08.04
GB/T 5211.6-2020.General methods of test for pigments and extenders-Part 6: Dete...
国家标准2023.08.04
GB/T 39482.3-2020.Electrochemical impedance spectroscopy (EIS) on coated and unc...
国家标准2023.08.04
GB/T 5211.3-2020.General methods of test for pigments and extenders-Part 3 :Dete...
国家标准2023.08.04
GB/T 9094-2020.Fluid power systems and components-Identification code for cylind...
国家标准2023.08.04
GB/T 39428-2020.Steel castings by sand casting一Visual examination method of surf...
国家标准2023.08.04
GB/T 19473.3-2020.Polybutene (PB) piping systems for hot and cold water installa...
国家标准2023.08.04
GB/T 39889-2021.Braille writing board.1范围GB/T 39889规定了盲文写字板的要求、检测方法、检验规则、标志、包装、运...
国家标准2023.08.04
GB/T 39756-2021.General specification for the scanning voice reading machine.1范围...
国家标准2023.08.04
GB/T 19790.1-2021.Disposable chopsticks-Part 1: Wooden chopsticks。1范围GB/T 19790....
国家标准2023.08.04
GB/T 16930.2-2021.Tactile sticks-Part 2 : Performance requirements and test meth...
国家标准2023.08.04